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No TPTP formula. May not be expressible in strict first order. Economy.kif 6098-6098 宝石混合物subclass
No TPTP formula. May not be expressible in strict first order. Economy.kif 6099-6099 珍贵的宝石宝石subclass
No TPTP formula. May not be expressible in strict first order. Economy.kif 6104-6104 半宝石宝石subclass


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